Formula sound FSM-400 mixer. Black colour. fully serviced. 15 inch. later version.

High value item, payment via bank transfer only / please allow 2 weeks for us to process and pack this item.

The FSM-400 mixer is a 4-channel installation mixer 15 inch rack mount size in black colour.
In total there are 7 stereo (3 selectable to RIAA) and1 microphone inputs. Cross fade assignable on channels 2, 3 and 4. Outputs included are Main, Zone, Booth (all stereo/mono) also record, trigger and sub bass.
Music mute facility for fire alarm interface.
Headphone output available on both front and back panels.
Figures:
Distortion <0.02% typically <0.005%
Max Output level +20db EQ +6db –20db @
later improved version.